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Finding the Fourth Proportional to 16,168.40, 24,220.20 and 10,919.60

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Solution

The fourth proportional to 16,168.40, 24,220.20 and 10,919.60 is: 16,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,168.40 : 24,220.20 = 10,919.60 : x
  2. Step 2: Convert to fraction form
    16,168.40/24,220.20 = 10,919.60/x
  3. Step 3: Cross multiply
    16,168.40x = 24,220.20 × 10,919.60
  4. Step 4: Simplify right side
    16,168.40x = 264,474,895.92
  5. Step 5: Solve for x
    x = 264,474,895.92/16,168.40
  6. Step 6: Final answer
    x = 16,357.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.